111222145255000 has 160 divisors (see below), whose sum is σ = 281197152482400. Its totient is φ = 40984982784000.

The previous prime is 111222145254947. The next prime is 111222145255019. The reversal of 111222145255000 is 552541222111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30994096 + ... + 34395904.

It is an arithmetic number, because the mean of its divisors is an integer number (1757482203015).

Almost surely, 2^{111222145255000} is an apocalyptic number.

111222145255000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222145255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140598576241200).

111222145255000 is an abundant number, since it is smaller than the sum of its proper divisors (169975007227400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222145255000 is a wasteful number, since it uses less digits than its factorization.

111222145255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402351 (or 3402332 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 111222145255000 its reverse (552541222111), we get a palindrome (111774686477111).

The spelling of 111222145255000 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred forty-five million, two hundred fifty-five thousand".